更多"[单选题] Under most flying conditions,"的相关试题:
[单选题]The synoptic chart _______ the areas of low pressure, the areas of high pressure where precipitation is falling, and all other weather conditions across the country.
A.shows
B.tells
C.gives
D.presents
[单选题]When the aircraft is flying en-route, whether it is under the control of medium-and-low altitude control office or high altitude control office is dependent on the aircraft’s _______ .
A.type
B.cruising speed
C.flight altitude
D.flight range
[单选题]When an aircraft is flying _____, we call it super low-altitude flying.
A.less than 50m from ground or water surface
B.at 10m from ground or water surface or less
C.5 to 100m from ground or water surface
D.less than 100m from ground or water surface
[单项选择]Current estimates put thirteen percent of global flora at risk of extinction, but this number does not include______plants from tropical regions, where the majority of the world's plants grow.
A. apocryphal
B. deciduous
C. rare
D. innumerable
E. (E) vanished
[单项选择]Water constitutes almost 96 percent of the body weight of a jellyfish, so if a jellyfish were to dry out in the sun, it would virtually disappeared.
[单项选择]How much percent does the sea cover the earth
A. 69
B. 70
C. 71
D. 79
[单项选择]About what percent of the gifted has not graduated from colleges
A. 30%
B. 70%
C. 80%
D. 21%
[单项选择]The Martian surface temperature is 100 degrees below zero at night, so that butter put outside will not _______.
A. thaw
B. dissolve
C. melt
D. fuse
[单项选择]According to the passage, the impact of development is most evident in which of the following cases
A. A small population with low consumption rates, considered globally
B. A large population with high consumption rates, considered nationally
C. A large population with low consumption rates, considered globally
D. A small population with high consumption rates, considered nationally
E. (E) A small population with high consumption rates, considered globally
[单项选择]The author refers to the impact of railroads before the late 1860's as "limited" because ______.
A. the track did not take the direct route from one city to the next
B. passengers and freight had to transfer to other means of transportation to reach western destinations
C. passengers preferred stagecoaches
D. railroad travel was quite expensive
[单项选择]Over sixty percent of the church（ ）destroyed during a bomb (炸弹) attack in the second World War.
A. have been
B. has been
C. was
D. were
[单项选择]The Chinese wants to（）their national flag flying on the surface of Moon by 2020.
A. see
B. observe
C. notice
D. note
[单项选择]The passage implies that the full impact of the railroads might be easily seen in ______.
[单项选择]The expression "scratch the surface" most probably means ______.
A. think hard in a puzzled way
B. deal with a problem thoroughly
C. treat a subject without being thorough
D. work out a solution for a problem easily
[单项选择]"a hundred percent witness" most probably means ______.
A. be was patient and talkative
B. he was a totally reliable witness
C. he was well - informed
D. he was the only person interviewed in the incident
[单选题]The pilot is flying at FL250, ATC gives an altimeter setting of 28.92 in Hg in the area. At what pressure altitude is the pilot flying?
A.2500ft
B.25000ft
C.lower than 25000ft
D.higher than 25000ft
